1 – Subserosa; Subserous layer; 2 – Serosa; Serous coat; 3 – Muscular layer; Muscular coat, longitudinal layer; long pitch helicoidal layer; 4 – Muscular layer; Muscular coat, circular layer; short pitch helicoidal layer; 5 – Submucosa; 6 – Muscularis mucosae; 7 – Intestinal glands; 8 – Lymphatic capillary; 9 – Proper lamina of mucosa; 10 – Epithelium mucosae; 11 = 6 + 7 + 8 + 9 + 10 – Mucosa; Mucous membrane; 12 – Intestinal
villi; 13 – Crypts